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(PHP 5, PHP 7 >= 5.6.1)
gmp_import — Import from a binary string
$data
, integer $word_size
, integer $options
)Import a GMP number from a binary string
data
The binary string being imported
word_size
Default value is 1. The number of bytes in each chunk of binary data. This is mainly used in conjunction with the options parameter.
options
Default value is GMP_MSW_FIRST | GMP_NATIVE_ENDIAN.
Returns a GMP number 或者在失败时返回 FALSE
.
Example #1 gmp_import() example
<?php
$number = gmp_import ( "\0" );
echo gmp_strval ( $number ) . "\n" ;
$number = gmp_import ( "\0\1\2" );
echo gmp_strval ( $number ) . "\n" ;
?>
以上例程会输出:
0 528